Opposition · USPTO

Opposition 91304027

PendingUSPTO

Opposition 91304027 at USPTO between Biotronik SE & Co. KG and BiVACOR, Inc., over the mark BIVACOR, filed Dec 23, 2025. Status in the office record: pending.

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Status
Pending
Filed
Dec 23, 2025
Marks involved
2
Parties

Who is involved

The parties as named in the office record.

Opponent

Biotronik SE & Co. KG

Company trademarks
Respondent

BiVACOR, Inc.

Timeline

How the case has moved

Dates from the USPTO record and the BIVACOR filing.

  1. BIVACOR filed

    Application 98705586 filed at the USPTO.

  2. Opposition filed

    Biotronik SE & Co. KG started opposition 91304027 at USPTO against BIVACOR.
  3. Next

    Awaiting decision

    No decision is recorded at USPTO yet.
Marks

Marks involved

1 contested mark, 1 mark the challenger relies on.

MarkRoleApplicationOffice
BIVACORContested98705586USPTO
RIVACORRelied on79227093USPTO
API

Get this data via the API

Every fact on this page comes from the Signa API. Track oppositions and cancellations on any mark with one request.

  • GET/v1/proceedings/{id}

    Parties, dates, outcome and every mark in the case

  • GET/v1/proceedings?trademark_id={trademark_id}

    Every proceeding on a mark

Get API keyView docs
GET /v1/proceedings/{id}
ID=prc_8f1c3214-31ad-4ad9-b108-c86c058d5a1f
curl https://api.signa.so/v1/proceedings/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "prc_8f1c3214-31ad-4ad9-b108-c86c058d5a1f",
  "object": "proceeding",
  "proceeding_type": "opposition",
  "proceeding_number": "91304027",
  "status": "pending",
  "office_code": "US",
  "filed_date": "2025-12-23",
  "parties": [
    {
      "name": "BIOTRONIK SE & Co. KG",
      "role": "opponent"
    },
    {
      "name": "BiVACOR, Inc.",
      "role": "respondent"
    }
  ]
}